Celadon City hasn't been the same since the Gyms closed down. Pokémon fighting has gone underground, and the sport has gotten a taste for blood. Ash, Misty, and Brock have been forced deep into the city's seedy underbelly to keep training, but the Pokémon aren't the only ones in danger. Now, Ash must choose to either become a master in the grim world of illegal pokémon fighting, or make a desperate stand to free them all from the criminal grip of Rocket Industries........